Awais Saeed
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Content Feed
Need help writing a code with a summation divided by a summation
I do not know what graph are you expecting but your loops are for sure not storing any values. You have to store the computed va...
1 month ago | 0
count repeated sequence in an array
Not so neat, but will do the work data=[0 0 0 1 1 0 0 0 0 0 0 1 1 1 1]; zero_count = 0; one_count = 0; ctr1 = []; ctr0 = []...
1 month ago | 0
How to keep scientific notation in string.
epsilon=[1e-01,9e-02,8e-02]; % try num2str() str1 = string(num2str(epsilon,'%.e ')) % or try sprintf() str2 = string(sprintf...
1 month ago | 0
How to delete rows in matrix, where a value is repeated 3 times or more!
b =[ 1 1 3 6 6 6 6; 1 1 3 6 6 6 7; 1 1 3 6 6 6 8; 1 1 3 6 6 6 9; 1 1 3 6 6 7 7; 1 1 3 6 6 7 8; 1 1 3 6 6 7 9; 1 1 3 6 6 8 ...
1 month ago | 0
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getting error with symengine
It is good to provide a variable list and expressions you want to replace using subs(). Read more about subs() here. syms u v x...
1 month ago | 1
I need to iterate time(t) to get different value of temperature(T) at different (t) starting from 0. Can anyone help me to iterate the code and plot time vs temperature curve?
T_i = 80; T_inf = 15; h = 500; A = 13.16; m = 54; m_c = 28; %mass of cast iron in kg m_co = 20; %mass of copper winding i...
1 month ago | 0
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hello i need to write script mathlab to make a matrix with vector v=[1 2 3 4]
Seems you want to have powers from 1 to 4 v = 1:4; bsxfun(@power,v(:),[1:4]) % poers ranging from 1 to 4
1 month ago | 0
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What is a double matrix?
A = magic(4) % data type is double s = single(A) % convert double to single d = double(s) % convert single to double wh...
1 month ago | 0
Fill area of 2dcircle with cross line
Do not know how to fill with lines, but you can fill the circle as shown below theta=linspace(0,2*pi,100); x=cos(theta); y=si...
1 month ago | 0
Remove dulpicate rows of cell array
C = {{'800AL'} {'800AL'} {'800AL'} {'800AL'} {'800AL'} {'700AL'} {'700AL'} {'700AL'} {'700AL'} {'7...
1 month ago | 0
bar3 color change
load count.dat Z = count(1:10,:); h = bar3(Z); title('Detached Style') set(h(3),'facecolor','red');
1 month ago | 0
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How to manage multiple subplots ?
I hope this will work for you. clear all position = 0; % position of plot in subplot fig_num = 1; % figure() number for k =...
1 month ago | 0
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Plot cells with variables?
I think you want to plot the symbolic expression x^2+1 (that's what A(2,1) gives you). If that's the case, use fplot() syms x; ...
1 month ago | 0
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How to generate and save multiple plots?
If you want to plot all of your plots on same plot window then use 'hold on'. If you want to plot each plot individually then yo...
1 month ago | 0
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I have a transfer function with very large coeficient, how to reduce it to a readable tf form?
Try using simplify() syms s TF =(579897794885098601073766651512401860000/(7258390620966233564935880704*s^2 + 56126396051975186...
1 month ago | 0
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symbolic calculation in MATLAB
You are not storing in C1 properly. You are using x and t, whihc are incrementing with a step size of 3. syms x t U=zeros(1,2,...
1 month ago | 0
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X and Y axis alignment
Something like this? X = categorical({'Small','Medium','Large','Extra Large'}); X = reordercats(X,{'Small','Medium','Large','E...
2 months ago | 0
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Sum matrix column orderly
chnage first_row and end_row according to your requirement A = [1,2,3,4;5,6,7,8;9,10,11,12;13,14,15,16] start_row = 1; end_ro...
2 months ago | 0
Merge the contents of neighboring non-zero cells
Remove the cells that has 0 in it. c = {25,0,'anyString','aChar',[12 5 48 7];0,0,'anyString','bChar',[10 01]} nonzero_indices ...
2 months ago | 0
Comparision double values 135 with 135.0000
I had this issue once. I am just suggesting what helped me. It is possible that the actual value is not 135.0000. If 135.0000 is...
2 months ago | 0
Using forloop and whileloop to find if a number has appeared repetitively
Doing with loops is hectic. You should use find(). However, I did it with loops as you required. I added last two entires for my...
2 months ago | 1
how to find the mininmum value in a double vector ?
You are half way there. Use [value, index] = min(vector)
2 months ago | 1
While loop to find index of first element to be less than and greater than in a vector
Is it necessary to use a while loop? For loop works fine a = rand(20,1) for itr = 1:1:length(a) % iterate thorug...
2 months ago | 0
Colon Notation Function using Matrices
understand the syntax first. To access an element from a matrix, you need to provide the row and column in which it resides. % ...
2 months ago | 0
When you type m(1) or m(10) in the command window, what is happening?
Let's say you have an array of 10 elements arr = [1 2 5 4 7 0 3 6 1 9]; To access first element, you use arr(1) to access 5t...
2 months ago | 0
Where is the mistake of the ^? i can plot the graph without the ^ but it say i have mistake after adding the ^ or .^
exp^(cos) is incorrect. Use y_array1 = sin(x_array.^2).* exp(cos(x_array));
2 months ago | 0
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Code explanation (bw)
The (:) reshapes a matrix into a column vector. imageOutR = [zeros(1,3); 2 5 13; 0 1 2; 1 3 5] % 4x4 matrix for instance bw2 =...
2 months ago | 0
double2str and bin2str
Doing help bin2str % and help double2str did not show any results from which I assume there are no such functions. Use num2s...
2 months ago | 0
How to multiply 2 arrays by elements
A = [3-4j, 1+3j, 10+10j]; B = [4+5j, 2+1j, 0+0j]; A.*B
2 months ago | 0
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Why doesn't my code recognize the input function in the loop?
try this ctr = 0; for i = 1:1:3 numbers = input('Enter a number: '); if numbers ~= 0 ctr = ctr + 1; el...
2 months ago | 0
